123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104 |
- /****************************************************************************
- *
- * The MIT License (MIT)
- *
- * Copyright (c) 2014 - 2021 VERISILICON
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
- * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
- * DEALINGS IN THE SOFTWARE.
- *
- *****************************************************************************
- *
- * The GPL License (GPL)
- *
- * Copyright (C) 2014 - 2021 VERISILICON
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version 2
- * of the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software Foundation,
- * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
- *
- *****************************************************************************
- *
- * Note: This software is released under dual MIT and GPL licenses. A
- * recipient may use this file under the terms of either the MIT license or
- * GPL License. If you wish to use only one license not the other, you can
- * indicate your decision by deleting one of the above license notices in your
- * version of this file.
- *
- *****************************************************************************/
- #ifndef _MEMALLOC_FREERTOS_H_
- #define _MEMALLOC_FREERTOS_H_
- #include "user_freertos.h"
- #include "dev_common_freertos.h"
- #undef PDEBUG /* undef it, just in case */
- #ifdef MEMALLOC_DEBUG
- /* This one for user space */
- #define PDEBUG(fmt, args...) fprintf(stderr, fmt, ## args)
- #else
- #define PDEBUG(fmt, args...) /* not debugging: nothing */
- #endif
- /*
- * Ioctl definitions
- */
- /* Use 'k' as magic number */
- #define MEMALLOC_IOC_MAGIC 'k'
- /*
- * S means "Set" through a ptr,
- * T means "Tell" directly with the argument value
- * G means "Get": reply by setting through a pointer
- * Q means "Query": response is on the return value
- * X means "eXchange": G and S atomically
- * H means "sHift": T and Q atomically
- */
- #define MEMALLOC_IOCXGETBUFFER _IOWR(MEMALLOC_IOC_MAGIC, 1, MemallocParams*)
- #define MEMALLOC_IOCSFREEBUFFER _IOW(MEMALLOC_IOC_MAGIC, 2, unsigned long*)
- #define MEMALLOC_IOCGMEMBASE _IOR(MEMALLOC_IOC_MAGIC, 3, unsigned long *)
- /* ... more to come */
- #define MEMALLOC_IOCHARDRESET _IO(MEMALLOC_IOC_MAGIC, 15) /* debugging tool */
- #define MEMALLOC_IOC_MAXNR 15
- typedef struct {
- unsigned long long bus_address;
- unsigned int size;
- unsigned long translation_offset;
- unsigned int mem_type;
- } MemallocParams;
- //Mem device
- int __init memalloc_init(void);
- int memalloc_open(int *inode, int filp);
- int memalloc_release(int *inode, int filp);
- long memalloc_ioctl(int filp, unsigned int cmd, void *arg);
- void * DirectMemoryMap(unsigned long long busaddr, unsigned long map_size);
- addr_t GetBusAddrForIODevide(unsigned int size);
- #endif /* _MEMALLOC_FREERTOS_H_ */
|